Bag



FIG. 1 is a front perspective view of a bag showing the new design;

FIG. 2 is right side view of the bag shown in FIG. 1, the left side view being the same;

FIG. 3 is a front view of the bag shown in FIG. 1, the rear view being the same;

FIG. 4 is a top view of the bag shown in FIG. 1; and,

FIG. 5 is a bottom view of the bag shown in FIG. 1.

The dotted lines are understood to represent stitching. 

The ornamental design for a bag, as shown and described. 